Home / 716,858.03-1,075,261.97-211,426.83

Finding the Fourth Proportional to 716,858.03, 1,075,261.97 and 211,426.83

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Solution

The fourth proportional to 716,858.03, 1,075,261.97 and 211,426.83 is: 317,132.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,858.03 : 1,075,261.97 = 211,426.83 : x
  2. Step 2: Convert to fraction form
    716,858.03/1,075,261.97 = 211,426.83/x
  3. Step 3: Cross multiply
    716,858.03x = 1,075,261.97 × 211,426.83
  4. Step 4: Simplify right side
    716,858.03x = 227,339,230,265.22
  5. Step 5: Solve for x
    x = 227,339,230,265.22/716,858.03
  6. Step 6: Final answer
    x = 317,132.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.